Product engineer jobs in Petaluma, CA - 3,172 jobs

Mill is all about answering a simple question: how can we prevent waste? Less waste can save time, money, energy, maybe even our planet. And there's no better place to start than food. Food waste is one of the most solvable climate problems facing us today. Plus, our trash really stinks. It's gross, heavy, and our least favorite chore. At Mill we are striving to build a better environment for all, as we take on climate and kitchen change. As a member of Mill's Product Design Engineering team you will be part of a cross functional team to design, validate and ship Mill's hardware products. You will work closely with other members of the PD team as well as cross functional groups including Industrial Design, Electrical Engineering, Reliability, Product Management and Operations. Objectives of this role: Design mechanical systems to balance complex tradeoffs between cross functional teams including Industrial Design, Electrical Engineering, Reliability, Product Management and Operations Generate detailed CAD models, specifications and documentation Prototype, Test and Analyze component and system designs Validate and system performance and iterate designs to achieve targets Create predictive models and correlate with real world performance Perform root cause analysis of performance failures and drive corrective actions Work directly with the supply chain to ensure parts are properly manufactured and assembled. Qualifications BS degree in mechanical engineering or equivalent 2 + years experience working in mechanical product design. Consumer Electronics or Home Appliance industries are preferred Expertise in CAD modeling, experience with NX is preferred. Detailed knowledge of plastic and metal part manufacturing processes Solid understanding of product design concepts including Design for Manufacturing (DFM), Design for Assembly (DFA), Tolerance Analysis Demonstrated ability to apply engineering fundamentals to find simple solutions to complex problems A strong desire to work hands-on Strong communication skills The estimated base salary range for this position is $150k to $175k, which does not include the value of benefits or a potential equity grant. A wide range of factors are considered in making compensation decisions, including but not limited to skill sets, market conditions, experience and training, licensure and certifications, and business and organizational needs. #J-18808-Ljbffr

A cutting-edge AI lab in San Francisco is seeking experienced end-to-end engineers to join their small, talent-dense team. The role involves building innovative software products, enhancing user experiences, and collaborating closely with product teams. Ideal candidates should have experience with Python, Typescript, and React. Strong achievers who thrive in fast-moving environments are encouraged to apply. #J-18808-Ljbffr

A tech startup focused on CAD intelligence is seeking a talented individual to own the creation and refinement of computational geometry features using Python and C++. You'll collaborate closely with engineers and gain insights from customers to shape the product roadmap. The role offers a generous equity package, opportunities for growth, and relocation assistance to San Francisco. Excellent communication skills and experience with reinforcement learning algorithms are required. #J-18808-Ljbffr

Project Engineer - Bridge & Transportation Construction We are partnering with a well-established heavy civil contractor specializing in transportation and bridge infrastructure to recruit a Project Engineer to support the delivery of multiple bridge construction projects across the Bay Area. This role is ideal for an engineer looking to deepen their experience on complex structural bridge work, gain exposure to large public works projects, and progress toward a Project Manager career path. Key Responsibilities Support the delivery of bridge construction projects, including foundations, substructure, superstructure, and deck scopes Assist with project planning, scheduling, cost tracking, and quantity takeoffs Manage RFIs, submittals, change orders, and document control Coordinate with superintendents, inspectors, designers, and subcontractors Track material procurement and subcontractor progress Support cost forecasting, budget updates, and project reporting Assist with quality control, safety compliance, and Caltrans/DOT documentation Participate in constructability reviews and preconstruction planning Required Experience & Qualifications 2-7 years of heavy civil construction experience, preferably on bridge or transportation projects Exposure to bridge structures (piles, footings, columns, decks, girders, falsework, etc.) Experience working on public works / Caltrans / DOT projects strongly preferred Bachelor's degree in Civil Engineering, Construction Management, or related field Strong organizational skills and attention to detail Ability to work in a fast-paced, field-driven environment Proficiency with construction software (Procore, Primavera, or similar preferred) Why This Opportunity Hands-on experience on high-profile Bay Area bridge projects Clear career progression into Project Manager or Senior Project Engineer roles Work alongside experienced bridge PMs and Superintendents Stable project pipeline in one of California's strongest infrastructure markets Competitive compensation and full benefits package

A blockchain-based payment company is looking for an early Product Engineer to help partners move money on-chain. You will work with design partners to build production-ready applications. Responsibilities include delivering customer applications, building fullstack solutions, and collaborating with cross-functional teams. The ideal candidate has strong TypeScript skills, and needs to thrive in a collaborative, high-energy environment. This role is perfect for engineers aspiring to take initiative and deliver impactful solutions. #J-18808-Ljbffr

A dynamic SaaS startup in San Francisco is seeking a seasoned frontend technical lead who can design and implement complex product features. The role involves collaborative product decisions and building impactful features primarily in TypeScript and React. Applicants should have over 4 years of software engineering experience and strong full-stack fluency. Join a small but talented team committed to modernizing finance in construction, with a salary range of $165k - $185k annually, comprehensive benefits, and a focus on supportive company culture. #J-18808-Ljbffr

Job Responsibilities:The Project Engineer at FLINT supports the Project Manager and Project Superintendent to facilitate a well-managed project. The Project Engineer assists with the overall management and administration of projects including pre-construction services, estimating, subcontractor management, RFIs, submittal process, CORs, and SCOs. Responsibilities include:Drafting and reviewing subcontracts and purchase orders Thoroughly reviewing project documents and familiarizing with project participants Representing the company in project meetings Determining submittal requirements and maintaining the submittal log Assisting in developing and maintaining project schedules Conducting regular site visits to ensure proper construction and adherence to schedule Administering As-Built drawings Handling project correspondence and documentation Obtaining necessary permits and ensuring timely receipt of record documents Assisting in administering the Punch ListPerforming additional duties as assigned Job Requirements, Qualifications, Characteristics:FLINT is seeking an experienced Project Engineer with 1+ years of experience to perform project management functions on small projects (Good grasp of construction terminology and activities Understanding of all trades including MEP and building permit process Ability to estimate CORs, assist in bidding, and assemble project estimates Familiarity with cost control and management processes Basic understanding of prime contract types and delivery methods Proficiency in project documentation, scheduling, safety practices, and technology tools (Fieldview, Viewpoint, Team VPT1, Bluebeam, Pype, GCPay, P6, and Vista) Skills in business development and maintaining customer relations Understanding of fee enhancement, risk mitigation, and client management Ability to mentor team members and promote teamwork and cooperation

A tech startup seeks engineers who can lead and build teams while developing a best-in-class product. Ideal candidates should have over 2 years of experience on strong software teams and show a track record of growth in team leadership. Familiarity with Kotlin, React, and Postgres is valued. The company promotes curiosity, enjoyment of the startup journey, and caring about product/users. Benefits include competitive salary, equity, and health plans. #J-18808-Ljbffr

A healthcare technology company based in San Francisco is on a mission to revolutionize healthcare with a new software platform. They are seeking a Staff Product Engineer to tackle complex challenges using Elixir and modern cloud architecture. The ideal candidate will have at least 10 years of experience in software engineering, strong problem-solving skills, and a passion for impactful healthcare solutions. This role supports a hybrid work environment, encouraging collaboration on-site three days a week. #J-18808-Ljbffr

A dynamic logistics technology company in San Francisco is seeking a Staff Software Engineer to lead the design and build of AI-native products. This high-impact role requires strong technical leadership, mentoring abilities, and proven experience in scalable system architecture. Candidates must thrive in a startup environment and have a passion for delivering high-quality solutions. The role offers the opportunity for end-to-end ownership from idea to implementation, shaping the future of logistics technology. #J-18808-Ljbffr

A leading AI company in San Francisco is seeking a Software Engineer to develop AI-powered manufacturing applications. You will build full-stack solutions, design distributed systems, and integrate with factory-floor systems to enhance manufacturing processes. The ideal candidate holds a Bachelor's degree in computer science and has experience in full-stack development, industrial automation, and AI model deployment. The position offers a salary range of $136,000 - $160,000 per year. #J-18808-Ljbffr

About Us Relace is building the models and infrastructure that code agents reach for. We power the fastest model on OpenRouter (10,000 tok) and deliver optimized small language models designed for retrieval, application, and core code generation functions. Our technology supports some of the world's fastest-moving companies - including Lovable, Figma, and Vercel - as they deploy and scale code generation to hundreds of millions of users. We recently raised our Series A from a16z, and we're growing quickly. Our team is made up of mathematicians, physicists, and computer scientists who are deeply passionate about their craft. If you thrive on ambitious technical problems, care about elegant systems design, and want to build the foundation of how code gets written at scale, this is the place for you. The Role We're looking for a Head of Growth who can move fast, experiment relentlessly, and turn great ideas into measurable traction. You'll be in the trenches, shipping campaigns, testing new channels, building loops, and driving real user adoption. As our first dedicated growth leader, you'll own our playbook across social, product, community, and performance marketing. You should be as comfortable writing a launch tweet or spinning up a landing page as you are evaluating funnel metrics and iterating on experiments. You'll work closely with our founders, engineering, and product teams to bring Relace to the broader developer and builder ecosystem. You'll: Run fast, creative campaigns across X (Twitter), LinkedIn, Discord, and other channels to build awareness and convert technical audiences. Design, launch, and iterate growth loops that turn attention into active users and advocates. Identify new distribution channels, partnerships, and viral opportunities before they're obvious. Own our growth stack - from analytics to landing pages to automation. Build a culture of experimentation: rapid iteration, smart measurement, and learning fast. Collaborate directly with engineering and research to translate technical breakthroughs into accessible, compelling narratives. #J-18808-Ljbffr

About the Team The ChatGPT team works across research, engineering, product, and design to bring OpenAI's technology to the world. We seek to learn from deployment and broadly distribute the benefits of AI, while ensuring that this powerful tool is used responsibly and safely. We aim to make our innovative tools globally accessible, transcending geographic, economic, or platform barriers. Our commitment is to facilitate the use of AI to enhance lives, fostered by rigorous insights into how people use our products. About the Role We are looking for an experienced fullstack engineer to join our new ChatGPT Growth team to build and scale the systems that power OpenAI's marketing channels and spend efficiency. Your role will include projects such as developing campaign management tools, integrating with major ad platforms, building real-time attribution and reporting pipelines, and enabling experimentation frameworks to optimize our objectives. As we are in the early stages of building this platform, we will rely on you to design and implement foundational MarTech infrastructure that make our marketing investments more effective, measurable, and automated. We value engineers who are impact-driven, autonomous, and adept at turning ambiguous business goals into robust technical systems. In this role, you will Drive long-term growth of ChatGPT by building the technical infrastructure behind OpenAI's paid marketing platform. Design and deploy backend APIs, data pipelines and services to support campaign management, attribution, and spend optimization. Execute on projects by working closely with growth marketing, data science, product, and other engineering teams to land impact on growth goals. Create a diverse and inclusive culture that makes all feel welcome while enabling radical candor and the challenging of group-think. You might thrive in this role if you Are comfortable with ambiguity and rapidly changing conditions. You view changes as an opportunity to add structure and order when necessary. Have shipped systems that power marketing or growth use cases, such as attribution pipelines, campaign management tools, or integrations with major ad platforms. Are highly analytical and have experience designing and implementing A/B tests, with a scientific approach to data-based experiments. You know exactly what and how to track business metrics and KPIs. Have a voracious and intrinsic desire to learn and fill in missing skills. An equally strong talent for sharing that information clearly and concisely with others. About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. For additional information, please see OpenAI's Affirmative Action and Equal Employment Opportunity Policy Statement. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations. To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form. No response will be provided to inquiries unrelated to job posting compliance. We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link. OpenAI Global Applicant Privacy Policy At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology. Compensation Range: $160K - $385K #J-18808-Ljbffr

A technology solutions provider is seeking a Field Application Engineer to support technical adoption of GNSS/GPS SaaS solutions. This role involves working with sales and product teams to deliver presentations and lead architecture reviews. The ideal candidate will have 2+ years in a customer-facing role and experience in hardware or software. A willingness to travel 25% of the time is required. Join a dynamic team and contribute to the future of precise location in various industries. #J-18808-Ljbffr

A well-funded startup in AI marketing is seeking a proactive Full-Stack Software Engineer for a full-time, on-site position in San Francisco. The role involves full lifecycle ownership of features, including design and implementation, utilizing technologies like Node.js, TypeScript, and PostgreSQL. Ideal candidates should have at least 2 years of experience, strong skills in frontend and backend development, and a degree in Computer Science or a related field. This is an excellent opportunity to join an ambitious team and tackle significant challenges in a growing market. #J-18808-Ljbffr

About Sorcerer Sorcerer is deploying a global network of persistent airborne sensors to fuel weather forecasting. Our high-altitude balloons collect 1000x more data than existing systems and are already used daily by meteorologists to track extreme weather across the US and Central America. We are a well-funded early-stage Y Combinator backed startup based in San Francisco, CA. This is an opportunity to join at an early stage, where you have an outsized impact across the company every day. About the role As a Manufacturing Engineer at Sorcerer you'll be responsible for developing manufacturing tooling and processes for both our vehicle and avionics hardware. We are rapidly scaling our sensing network to hundreds of active flight systems making this an incredibly important role with runway for huge and immediate impact. Responsibilities Develop avionics manufacturing and test fixtures Work within engineering team to refine designs for manufacturability Develop assembly procedures and test plans Assemble and test production flight hardware when needed Required Skill & Experience Ability to troubleshoot electronic systems Experience with test automation frameworks (e.g., Open HFT, Pytest) Highly proficient in soldering and assembly Ideal Candidates Have experience managing supply chains and PCBA contract manufacturing Have experience working with plastic films Have experience working in startups and small independent teams Succeed with a high level of autonomy Location This is an in-office role at our HQ in SoMa, San Francisco Benefits 401k Unlimited PTO 100% Health, Dental, Vision Company paid life insurance All relocation costs covered (if applicable) Catered lunch every day Fully-stocked office kitchen Commute/parking stipend OR monthly proximity benefit if you relocate to within 30m walk of the office Hiring exceptional people is our top priority, and we believe that exceptional people often have unusual backgrounds. Don't be discouraged from applying if you don't hit every qualification. We are an equal-opportunity employer and do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability or other legally protected statuses. #J-18808-Ljbffr

A technology company in San Francisco is seeking a Founding Fullstack Engineer to build scalable systems that automate complex decisions in manufacturing. Ideal candidates will have experience with data-driven agents, strong product sense, and the ability to ship production code across the stack. The role requires onsite work in SF, with a supportive relocation policy. The company is backed by leaders from top tech firms, aiming to revolutionize industrial operations. #J-18808-Ljbffr

A tech company focused on hardware innovation is seeking a Manufacturing Engineer to bridge hardware design and scalable production. This critical role involves collaborating with engineers for manufacturable and reliable products, managing inventory systems, and implementing quality processes. Candidates should have over 3 years of experience in manufacturing engineering and a strong understanding of DFM/DFA principles. This position offers an opportunity to work at the intersection of design and production in a fast-paced environment. #J-18808-Ljbffr

Mentor Technical Group (MTG) provides a comprehensive portfolio of technical support and solutions for the FDA-regulated industry. As a world leader in life science engineering and technical solutions, MTG has the knowledge and experience to ensure compliance with pharmaceutical, biotechnology, and medical device safety and efficacy guidelines. With offices in Caguas, PR, Boston, MA & San Francisco, CA and we serve life sciences clients in six global markets: United States, Puerto Rico, Dominican Republic, Mexico, Germany, Canada, and South America. Responsibilities Engineering Experience in Medical Device Industry Problem Solving Knowledge (Yellow or Green Belt knowledge) Responsibilities may include the following and other duties may be assigned. Designs manufacturing processes, procedures and production layouts for assemblies, equipment installation, processing, machining and material handling. Designs arrangement of machines within plant facilities to ensure most efficient and productive layout. Designs sequence of operations and specifies procedures for the fabrication of tools and equipment and other functions that affect product performance. Adapts machine or equipment design to factory and production conditions. May incorporate inspection and test requirements into the production plan. Inspects performance of machinery, equipment, and tools to verify their efficiency, and investigates and initiates corrective action of problems and deficiencies to ensure product quality. Develops manufacturing processes that are applicable to statistical process control, and may develop those techniques. Provides guidance to engineering regarding design concepts and specification requirements to best utilize equipment and manufacturing techniques. Ensures processes and procedures are in compliance with regulations. Qualifications Requirements/Knowledge/Education/Skills BBA in Engineering Knowledge in CSV Problem Solving Knowledge (Yellow or Green Belt knowledge) Mentor Technical Group is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, protected veteran status, disability status, or any other characteristic protected by law. #J-18808-Ljbffr